[BUG]: RssGuard craches frequently

[Novite5]

Brief description of the issue

RssGuard crashes when fetches hundreds of items.

How to reproduce the bug?

1. Start RssGuard
2. fetch items

What was the expected result?

no Crash

What actually happened?

RssGuard crashes every time when fetches huge amount of items.

Other information

No response

Operating system and version

• OS: Arch Linux
• RSS Guard version: 4.04

[martinrotter]

Provide log

[Novite5]

time="     0.154" type="debug" -> core: Initializing settings in '/home/weber/.config/RSS Guard 4/config/config.ini' (non-portable way).
time="     0.535" type="debug" -> network: Using application-wide proxy to be system's default proxy.
time="     0.539" type="debug" -> core: OpenSSL version: 'OpenSSL 1.1.1l  24 Aug 2021'.
time="     0.539" type="debug" -> core: OpenSSL supported: 'true'.
time="     0.539" type="debug" -> core: Starting RSS Guard 4.0.4.
time="     0.539" type="debug" -> core: Instantiated class  'Application'.
time="     0.539" type="debug" -> core: Starting to load active localization. Desired localization is 'de_DE'.
time="     0.541" type="debug" -> core: Application localization 'de_DE' loaded successfully, specifically sublocalization 'de' was loaded.
time="     0.543" type="debug" -> core: Qt localization 'de' loaded successfully.
time="     0.556" type="debug" -> database: File-based SQLite database connection 'MessagesModel' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     0.556" type="debug" -> database: File-based SQLite database has version '1'.
time="     0.562" type="debug" -> message-model: Repopulated model, SQL statement is now:
 'SELECT Messages.id, Messages.is_read, Messages.is_important, Messages.is_deleted, Messages.is_pdeleted, Messages.feed, Messages.title, Messages.url, Messages.author, Messages.date_created, Messages.contents, Messages.enclosures, Messages.score, Messages.account_id, Messages.custom_id, Messages.custom_hash, Feeds.title, CASE WHEN length(Messages.enclosures) > 10 THEN 'true' ELSE 'false' END AS has_enclosures FROM Messages LEFT JOIN Feeds ON Messages.feed = Feeds.custom_id AND Messages.account_id = Feeds.account_id WHERE 0 > 1;'.
time="     0.562" type="debug" -> core: Auto-download timer started with interval 60000 ms.
time="     0.563" type="debug" -> core: Creating FeedDownloader singleton.
time="     0.563" type="debug" -> gui: Available icon theme paths: (/home/weber/.icons, /home/weber/.local/share/icons, /usr/share/icons, :/icons, :/graphics, /usr/bin/icons)
time="     0.572" type="debug" -> gui: Icon theme 'Numix-Circle' already loaded.
time="     0.576" type="warning" -> Skin 'dark' does not support separated custom CSS.
time="     0.582" type="debug" -> gui: Skin 'dark' loaded.
time="     0.590" type="debug" -> gui: Creating main application form in thread: '0x7f95bb9f6180'.
time="     0.640" type="debug" -> gui: Current row changed - proxy 'QModelIndex(-1,-1,0x0,QObject(0x0))', source 'QModelIndex(-1,-1,0x0,QObject(0x0))'.
time="     0.690" type="warning" -> network: Using application-wide proxy.
time="     0.690" type="debug" -> network: Settings of BaseNetworkAccessManager loaded.
time="     0.806" type="debug" -> message-model: Creating tray icon menu.
time="     0.926" type="debug" -> core: OS asked application to save its state.
time="     0.933" type="debug" -> core: Hiding the main window when the application is starting.
time="     0.933" type="debug" -> database: SQLite database connection 'FeedReader' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     0.934" type="debug" -> database: SQLite database connection 'FeedlyEntryPoint' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     0.935" type="debug" -> database: SQLite database connection 'GmailEntryPoint' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     0.936" type="debug" -> database: SQLite database connection 'GreaderEntryPoint' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     0.938" type="warning" -> network: Using application-wide proxy.
time="     0.938" type="debug" -> network: Settings of BaseNetworkAccessManager loaded.
time="     0.938" type="debug" -> oauth: User does not want handler to be running.
time="     0.940" type="debug" -> oauth: OAuth redirect handler IS LISTENING on address '127.0.0.1' and port '14488'.
time="     0.941" type="debug" -> database: SQLite database connection 'GreaderServiceRoot' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     0.941" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feeds.feedburner.com/d0od'.
time="     0.941" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://coolshell.cn/feed'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feeds.cyberciti.biz/Nixcraft-LinuxFreebsdSolarisTipsTricks'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.solidot.org/index.rss'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://realpython.com/atom.xml'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://opensource.com/rss.xml'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://program-think.blogspot.com/feeds/posts/default?alt=rss'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.cyberciti.biz/feed/'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.iyouport.org/feed/'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://beta.sspai.com/feed'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/smzdm/keyword/AppFinder'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feeds.feedburner.com/brainpickings/rss'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.salttiger.com/index.php/feed/'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.merriam-webster.com/word/index.xml'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://blogs.faz.net/fazit/feed/'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://de.downmagaz.com/rss.xml'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.duden.de/wort-des-tages/feed'.
time="     0.942" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://philomag.de/feed/'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://spex.de/feed/'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.hoheluft-magazin.de/feed/'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/the-economist/gre-vocabulary'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/36kr/user/1864046570'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.mindhacks.com/atom.xml'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feeds.technologyreview.com/technology_review_top_stories'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.sci-news.com/feed'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.spektrum.de/alias/rss/spektrum-de-rss-feed/996406'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.quantamagazine.org/feed/'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.appinn.com/feed/'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feed.iplaysoft.com/'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/appstore/xianmian'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/rsshub/routes'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.ft.com/rss/world/asiapacific/china'.
time="     0.943" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://www.ftchinese.com/sc/rss_r.jsp'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://chinadigitaltimes.net/chinese/feed/'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.theguardian.com/news/series/the-long-read/rss'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feedmaker.kindle4rss.com/feeds/lifeweek.weixin.xml'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.spiegel.de/schlagzeilen/index.rss'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://feedx.net/rss/economist.xml'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://www.scmp.com/rss/91/feed'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/caixin/article'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/guardian/china'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/https://rssfeed.today/weibo/rss/1866405545'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/caixin/latest'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/bendibao/news/jh'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://scription.typepad.com/blog/atom.xml'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feeds.feedburner.com/playpc?format=xml'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://feeds.feedburner.com/mitsmr'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/marginnote/tag/%25E7%25BB%258F%25E9%25AA%258C%25E5%2588%2586%25E4%25BA%25AB'.
time="     0.944" type="debug" -> core: Custom ID of feed when loading from DB is 'feed/http://rsshub.app/dailyart/zh'.
time="     0.945" type="debug" -> database: SQLite database connection 'RecycleBin' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     1.600" type="debug" -> database: SQLite database connection 'ImportantNode' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     1.800" type="debug" -> database: SQLite database connection 'RootItem' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     2.101" type="debug" -> database: SQLite database connection 'Label' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     2.658" type="debug" -> database: SQLite connection 'Label' is already active.
time="     2.658" type="debug" -> database: SQLite database connection 'Label' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     3.010" type="debug" -> database: SQLite connection 'GreaderServiceRoot' is already active.
time="     3.010" type="debug" -> database: SQLite database connection 'GreaderServiceRoot' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     3.170" type="debug" -> core: Silencing GUI message: 'Login token für 'https://www.inoreader.com/oauth2/token' werden erneuert...'.
time="     3.170" type="debug" -> oauth: Posting data for access token refreshing: 'client_id=999998722&client_secret=OHxlIGdLzkoNm5iRY6s023YPaxyUULaM&refresh_token=db9091f4e18634b0f7e3b2f7a8d0051aca27ff05&grant_type=refresh_token'.
time="     3.179" type="debug" -> database: SQLite database connection 'OwnCloudServiceEntryPoint' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     3.186" type="debug" -> database: SQLite database connection 'StandardServiceEntryPoint' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     3.187" type="debug" -> database: SQLite database connection 'TtRssServiceEntryPoint' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="     3.188" type="debug" -> gui: Showing tray icon.
time="     3.195" type="debug" -> gui: Creating SystemTrayIcon instance.
time="     3.195" type="debug" -> gui: Showing tray icon with 3000 ms delay.
time="     3.208" type="debug" -> core: No execution message received from other app instances.
time="     6.072" type="debug" -> gui: Tray icon displayed.
time="    15.247" type="debug" -> oauth: Token response: '{
    "access_token": "8fb06f06f7ca68dbef5d0b1e96746033457ba4d7",
    "expires_in": 86400,
    "refresh_token": "4526843b080489b7a7aa91af37fcc55c1d67adb5",
    "scope": "read write",
    "token_type": "Bearer"
}
'.
time="    15.247" type="debug" -> oauth: Obtained refresh token '4526843b080489b7a7aa91af37fcc55c1d67adb5' - expires on date/time 'QDateTime(2021-11-22 15:51:04.485 CST Qt::LocalTime)'.
time="    15.248" type="debug" -> database: SQLite database connection 'GreaderNetwork' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="    15.585" type="debug" -> feed-downloader: Starting feed updates from worker in thread: '0x7f958d7fa640'.
time="    15.585" type="debug" -> feed-downloader: Synchronizing cache back to server on thread '0x7f958d7fa640'.
time="    15.585" type="debug" -> feed-downloader: All caches synchronized.
time="    15.586" type="debug" -> database: SQLite database connection 'feed_upd' to file '/home/weber/.config/RSS Guard 4/database/database.db' seems to be established.
time="    18.061" type="debug" -> greader: Percentage of feeds for fetching: '1'.
time="    18.062" type="warning" -> network: Using application-wide proxy.
time="    18.062" type="debug" -> network: Settings of BaseNetworkAccessManager loaded.
time="    19.210" type="debug" -> network: Destroying Downloader instance.
time="    19.210" type="debug" -> network: Destroying SilentNetworkAccessManager instance.
time="    19.211" type="warning" -> greader: Performing global contents fetching.
time="    19.211" type="warning" -> network: Using application-wide proxy.
time="    19.211" type="debug" -> network: Settings of BaseNetworkAccessManager loaded.
time="    21.861" type="debug" -> network: Destroying Downloader instance.
time="    21.861" type="debug" -> network: Destroying SilentNetworkAccessManager instance.
time="    21.865" type="warning" -> network: Using application-wide proxy.
time="    21.866" type="debug" -> network: Settings of BaseNetworkAccessManager loaded.
time="    24.029" type="debug" -> network: Destroying Downloader instance.
time="    24.029" type="debug" -> network: Destroying SilentNetworkAccessManager instance.
time="    24.033" type="warning" -> network: Using application-wide proxy.
time="    24.033" type="debug" -> network: Settings of BaseNetworkAccessManager loaded.
time="    54.015" type="warning" -> QIODevice::read (QNetworkReplyHttpImpl): device not open
time="    54.015" type="debug" -> network: Destroying Downloader instance.
time="    54.015" type="debug" -> network: Destroying SilentNetworkAccessManager instance.
time="    54.016" type="critical" -> greader: Cannot download item IDs for 'user/-/state/com.google/reading-list', network error: 'QNetworkReply::OperationCanceledError'.
time="    54.031" type="warning" -> Qt has caught an exception thrown from an event handler. Throwing
exceptions from an event handler is not supported in Qt.
You must not let any exception whatsoever propagate through Qt code.
If that is not possible, in Qt 5 you must at least reimplement
QCoreApplication::notify() and catch all exceptions there.

terminate called after throwing an instance of 'NetworkException'
Abgebrochen (Speicherabzug geschrieben)

Is it caused by Qt?

[martinrotter]

no, my bug, will fix

[Novite5]

@martinrotter Thanks for your wonderful work!

[martinrotter]

will fix today

[martinrotter]

Can you test latest dev. build? I think I have fixed the problem.

[Novite5]

Yes, it doesn't crash anymore. Thank you.